Deep inside your small intestine is a region that’s critical in the body’s immune system: the gut-associated lymphoid tissue (GALT). At this site, your body’s cells interact with both microbes and immune cells, and the results of their interactions decide whether you will tolerate the things encountered in the gut—whether a particular food molecule or a foreign microbe—or alternatively, whether…
Deep inside your small intestine is a region that’s critical in the body’s immune system: the gut-associated lymphoid tissue (GALT). At this site, your body’s cells interact with both microbes and immune cells, and the results of their interactions decide whether you will tolerate the things encountered in the gut—whether a particular food molecule or a foreign microbe—or alternatively, whether…